MCP Server Directory

Save This One io.github.yemyat/save-this-one

Save, search, read, tag, and organize your bookmarks from AI assistants with OAuth sign-in.

Check text for leaked credentials before an agent writes or commits it. Runs locally.

pigi.finance — DeFi Vault Intelligence io.github.pigi-fi/pigi-mcp

DeFi vault data from pigi.finance: yields, TVL, history and risk ratings across chains.

Three-layer firewall for MCP: content, egress and action policy. Proxy or server.

Live cross-domain authority-state resolution for delegated agents through MCP.

Index Agentica com.indexagentica/mcp

Search a curated directory of agent tools, MCP servers, APIs, protocols and skills. No auth.

AIOS Public Discovery uk.aios-system/public-discovery

Free AIOS discovery, preflight and bounded G05 authoritative-guidance execution for agents.

FreeToolHub io.github.cavan1977/freetoolhub

44 calculators for AI agents: US tax, finance, business + an MCP engineering & security suite.

AgenTrux com.agentrux/agentrux

Authenticated event topics for agent-to-agent messaging with per-agent credentials and audit logs.

Intended's authority layer as MCP tools: ALLOW/ESCALATE/DENY decisions with signed tokens.

CedarAI Data Depot io.github.cedarai/cedar-mcp

Read-only Cedar ARMS railroad data via Cedar login for authorized carriers.

Reads your SECURITY.md against the EU Cyber Resilience Act reporting clock that started on 11 Septem

FlygKollen — Swedish Flight Tracking io.github.jannegpriv/flygkollen

Swedish flight tracking: live status, gates, airport boards, nearby-aircraft ADS-B scan.

WCAG 2.1 AA accessibility scanner (Playwright + axe-core) with grounded, browser-verified fixes.

VulnHunt Security Intelligence io.github.owenkingva-web/vulnhunt

Read-only smart-contract security intelligence for autonomous agents.

Authentication-Info nextnonce shape, value discarded io.github.sadri-dridi/auth-info

Authentication-Info nextnonce shape, value discarded

明乐智保 MCP（Minglezhibao Insurance Data） io.github.minglezhibao/mcp

中国大陆寿险/分红产品数据：利益演示、保费现价测算、行业指标与竞品对比、需求转介；免费每日 30 次，OAuth 2.1 授权，无需 Key

guide-registry guide.mealprep/guide-registry

Read-only Bicycle Guide registry: published guides, homes, taxonomy, capability spine. No auth.

guide-registry guide.manufacturingleader/guide-registry

Read-only Bicycle Guide registry: published guides, homes, taxonomy, capability spine. No auth.

Etsy io.github.pipeworx-io/etsy

Etsy MCP — public listing search via Etsy Open API v3 (api_key auth only)

guide-registry guide.startupleader/guide-registry

Read-only Bicycle Guide registry: published guides, homes, taxonomy, capability spine. No auth.

guide-registry guide.scienceleader/guide-registry

Read-only Bicycle Guide registry: published guides, homes, taxonomy, capability spine. No auth.

Agent Preflight: OFAC, DNS, Email Auth, Domain, Email & URL dev.workers.sdnscreen.sdn-screen-x402/agent-preflight

$0.01/call via x402: OFAC wallet screen, DNS, email auth, domain age, email verify, URL unshorten.

TANDIU AI infrastructure data cn.tandiu/data

Free, no auth. Daily CN AI infra: LLM prices, index, trends, GPU, estimators, agents, PC, funding.